The invention relates to the technical field of
medical instruments, and discloses a
respiratory system air leakage detection method for
mechanical ventilation, which comprises the following steps: acquiring
airway pressure,
tidal volume and flow velocity waveforms in real time, performing multi-parameter fusion analysis, combining with an air leakage characteristic model constructed by
machine learning to judge waveform abnormity, and dynamically adjusting a model judgment threshold according to the type of a patient; when the waveform is abnormal, three-stage progressive
troubleshooting is started, the sealing performance of nine preset connecting points of a
breathing machine pipeline is checked firstly, then the pressure of an air bag is monitored and adjusted to 30-50 cm H2O, dynamic minimum closing
pressure monitoring is conducted, and finally the
airway matching performance is evaluated; the method further comprises the steps of equipment fault
verification and imaging examination prompt generation during suspected
pneumothorax. The method improves the detection sensitivity and specificity, shortens the detection time, adapts to different patients, and reduces the risk of
mechanical ventilation complications.